CN215677259U

CN215677259U - Balance scale for physics student experiments

Info

Publication number: CN215677259U
Application number: CN202121451098.4U
Authority: CN
Inventors: 李�城
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-28
Anticipated expiration: 2031-06-28

Abstract

The application discloses a balance scale for physical student experiments, which comprises a base, a horizontal mechanism, an installation mechanism and a measuring mechanism, wherein the horizontal mechanism is arranged on the base; the horizontal mechanism comprises a fixed pipe and a rotating shaft, the rotating shaft is connected to the bottom of the base, a bottom plate is fixedly connected to the bottom of the rotating shaft, the fixed pipe is fixedly connected to two sides of the top of the bottom plate, a first gear is arranged at the bottom of an inner cavity of the fixed pipe, a threaded rod is fixedly connected to the top of the first gear, a threaded sleeve is sleeved on the surface of the top of the threaded rod, the top of the threaded sleeve penetrates through the fixed pipe to be connected with a rotating block, and the top of the rotating block is connected with the base. This application easy operation can adjust the level of base through fixed pipe, first gear, second gear, knob, thread bush, turning block, threaded rod, first spring and axis of rotation, avoids being in the tilt state when experimenting and leads to influencing the experimental data.

Description

Balance scale for physics student experiments

Technical Field

The application relates to the field of physics, especially a balance scale for physics student experiments.

Background

Physics is the subject of studying the most general laws of motion and basic structures of substances. As the leading subject of natural science, physical studies are as large as the universe and as small as the most basic motion forms and laws of all substances such as basic particles, and therefore, the method becomes the research foundation of other natural science subjects. Physics starts in galileo and newton's age and has become a fundamental science with numerous branches. The physics is an experimental science, and is also a science which advocates fashion rationality and attaches importance to logical reasoning. Physics are the most sophisticated natural science subject today, with mathematics being the working language of the subject.

When carrying out the physics experiment, need use the balance, general balance does not possess the effect of adjusting the level, when carrying out the experiment, can lead to the balance not be the horizontality because the desk is uneven, can seriously influence experimental data's accuracy. Therefore, a balance scale for physical student experiments is provided aiming at the problems.

Disclosure of Invention

The balance scale for the physical student experiment is provided in the embodiment and used for solving the problem that the balance scale is not in a horizontal state during measurement in the prior art.

According to one aspect of the application, a balance scale for physical student experiments is provided, which comprises a base, a horizontal mechanism, an installation mechanism and a measuring mechanism;

the horizontal mechanism comprises a fixed pipe and a rotating shaft, the rotating shaft is connected to the bottom of the base, a bottom plate is fixedly connected to the bottom of the rotating shaft, the fixed pipe is fixedly connected to two sides of the top of the bottom plate, a first gear is arranged at the bottom of an inner cavity of the fixed pipe, a threaded rod is fixedly connected to the top of the first gear, a threaded sleeve is sleeved on the surface of the top of the threaded rod, the top of the threaded sleeve penetrates through the fixed pipe to be connected with a rotating block, and the top of the rotating block is connected with the base.

Further, installation mechanism includes locating piece and shifting chute, the constant head tank is seted up at the base top, the inside locating piece that is equipped with of constant head tank inner chamber, the slot is all seted up to the locating piece both sides, the constant head tank both sides all are equipped with the shifting chute, the inside movable plate that is equipped with of shifting chute, movable plate one side rigid coupling inserted block, the inserted block extends to inside the slot, movable plate one side rigid coupling telescopic link, the shifting chute inner wall is connected to telescopic link one side.

Further, measuring mechanism includes branch and crossbeam, the locating piece is connected to the branch bottom, the crossbeam is connected through the connecting axle to locating piece one side, crossbeam bottom rigid coupling vernier scale, vernier scale surface mounting regulating block, the connecting block is all connected to the crossbeam both sides, the tray is connected to the connecting block bottom.

Furthermore, a knob is arranged on one side of the fixing pipe, one end of the knob penetrates through the fixing pipe to be connected with a second gear, and the second gear is meshed with the first gear.

Further, the first gear is rotatably connected with the bottom of the inner cavity of the fixed pipe, the top end of the threaded rod is connected with the threaded sleeve through threads, and the threaded sleeve is rotatably connected with the rotating block.

Furthermore, cushion blocks are arranged on two sides of the bottom plate, a first spring is fixedly connected to the top of the bottom plate, and the top of the first spring is connected with the base.

Further, the base is by axis of rotation swing joint, base internally mounted weight box, the groove of accomodating of a plurality of not unidimensional is seted up to weight box inside, accomodates inslot portion and is equipped with the weight.

Furthermore, one end of the moving plate penetrates through the base and is fixedly connected with the moving block, the telescopic rod is formed by mutually sleeving two pipe bodies with different pipe diameters, and a second spring is sleeved on the surface of the telescopic rod.

Further, the surface of the vernier scale is provided with scales, the vernier scale is in sliding connection with the adjusting block, and the connecting block is movably connected with the tray.

Furthermore, the top of the support rod is fixedly connected with an index plate, the surface of the index plate is provided with scales, and one side of the index plate is provided with a pointer.

Through the above-mentioned embodiment of this application, adopted horizontal mechanism, it is not the horizontality problem when having solved the measurement, has obtained and can avoid the experiment table unevenness to lead to influencing the measured data effect.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of one embodiment of the present application;

FIG. 2 is an overall schematic view of an embodiment of the present application;

FIG. 3 is a schematic view of a weight box according to an embodiment of the present application;

FIG. 4 is an enlarged, partial schematic view taken at A of FIG. 2 according to an embodiment of the present application;

fig. 5 is a partially enlarged view of a portion B in fig. 2 according to an embodiment of the present disclosure.

In the figure: 1. the device comprises a bottom plate, 2, a base, 3, a tray, 4, a connecting block, 5, an adjusting block, 6, a cross beam, 7, an index plate, 8, a pointer, 9, a support rod, 10, a connecting shaft, 11, a vernier scale, 12, a weight box, 13, a first spring, 14, a rotating shaft, 15, a moving plate, 16, a positioning block, 17, a slot, 18, an inserting block, 19, a positioning groove, 20, a moving groove, 21, a second spring, 22, an expansion rod, 23, a fixed pipe, 24, a first gear, 25, a second gear, 26, a knob, 27, a thread sleeve, 28, a rotating block, 29, a threaded rod, 30 and a moving block.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The balance scale in this embodiment may be applied to various physical experiment tables, for example, the following physical experiment table is provided in this embodiment, and the balance scale in this embodiment may be used to place the following physical experiment table.

The physical experiment table comprises a platform body, wherein the platform body comprises an adjusting table top, the lower surface of the adjusting table top is fixedly connected with an adjusting rod, the bottom of the adjusting rod extends into an adjusting bin, the outer wall of the adjusting rod is meshed with a gear through teeth, one end of the gear is fixedly connected with a rotating shaft, one end of the rotating shaft extends out of the adjusting bin and is fixedly connected with a twisting ring, the lower surface of the platform body is fixedly connected with a storage bin, two sides of the lower surface of the storage bin are fixedly connected with a storage cabinet, one end of the platform body is fixedly connected with a fixed seat, the upper surface of the fixed seat is fixedly connected with an electrical instrument panel, the upper surface of the fixed seat is positioned on two sides of the electrical instrument panel and is fixedly connected with a storage rack, the outer wall of the storage bin is fixedly connected with a first connecting rod, and one end of the first connecting rod is fixedly connected with a supporting rod, the outer wall department of bracing piece has flexible loop bar through first lantern ring swing joint, the top fixedly connected with optical bench of flexible loop bar.

The one end fixedly connected with second lantern ring of regulation mesa, the inside swing joint of second lantern ring has the second connecting rod, the equal fixed connection in both ends of second connecting rod is in the lateral wall department of regulation storehouse inner chamber.

One side fixedly connected with third connecting rod of adjusting the mesa outer wall, the bottom fixedly connected with pointer of third connecting rod.

The bottom of pointer extends to the outer wall department of calibrated scale, one side fixed connection of calibrated scale is in the outer wall department of surge bin.

A stool is arranged on one side of the storage cabinet under the storage bin, a delicate instrument storage bin is arranged inside the storage bin, and reinforcing legs are fixedly connected to the bottom of the storage bin.

The bottom of fixing base and the last fixed surface who puts the thing storehouse are connected, the bottom fixedly connected with auxiliary leg who puts the thing storehouse, one side of auxiliary leg outer wall is provided with the buffering foam-rubber cushion.

The supporter includes the base, the fixed ring of the inside fixedly connected with beaker of base, the top fixedly connected with mount of base, the lateral wall department fixedly connected with graduated flask dead lever of mount.

The surface of the electrical instrument panel is provided with a voltmeter, an ammeter, a power socket and a power controller, and the outer wall of the electrical instrument panel is provided with a waterproof and water permeable membrane.

Of course, the present embodiment can also be used for placing physical experiment tables with other structures. The balance scales of the embodiments of the present application will be described below without further explanation.

Referring to fig. 1-5, a balance scale for physical student experiments comprises a base 2, a horizontal mechanism, a mounting mechanism and a measuring mechanism;

horizontal mechanism includes fixed pipe 23 and axis of rotation 14, axis of rotation 14 is connected to 2 bottoms of base, 14 bottom rigid coupling bottom plates 1 of axis of rotation, the fixed pipe 23 of the equal rigid coupling in bottom plate 1 top both sides, fixed pipe 23 inner chamber bottom is equipped with

first gear

24, 24 top rigid coupling threaded rod 29 of first gear, 29 top surface covers of threaded rod have thread bush 27, thread bush 27 tops run through fixed pipe 23 and connect turning block 28, base 2 is connected at turning block 28 top, can adjust the level before measuring.

The mounting mechanism comprises a positioning block 16 and a moving groove 20, the top of the base 2 is provided with a positioning groove 19, the positioning block 16 is arranged in the inner cavity of the positioning groove 19, slots 17 are formed in two sides of the positioning block 16, the moving grooves 20 are formed in two sides of the positioning groove 19, a moving plate 15 is arranged in the moving groove 20, one side of the moving plate 15 is fixedly connected with an inserting block 18, the inserting block 18 extends into the slots 17, one side of the moving plate 15 is fixedly connected with a telescopic rod 22, and one side of the telescopic rod 22 is connected with the inner wall of the moving groove 20, so that the mounting mechanism is convenient to mount and dismount and is convenient to store; the measuring mechanism comprises a supporting rod 9 and a cross beam 6, the bottom of the supporting rod 9 is connected with a positioning block 16, one side of the positioning block 16 is connected with the cross beam 6 through a connecting shaft 10, the bottom of the cross beam 6 is fixedly connected with a vernier scale 11, an adjusting block 5 is arranged on the surface of the vernier scale 11, two sides of the cross beam 6 are both connected with connecting blocks 4, the bottom of each connecting block 4 is connected with a tray 3, and experimental data can be measured; a knob 26 is arranged on one side of the fixed tube 23, one end of the knob 26 penetrates through the fixed tube 23 to be connected with a second gear 25, the second gear 25 is meshed with the first gear 24, leveling can be performed, and the accuracy of an experiment is guaranteed; the first gear 24 is rotatably connected with the bottom of the inner cavity of the fixed tube 23, the top end of the threaded rod 29 is connected with the threaded sleeve 27 through threads, and the threaded sleeve 27 is rotatably connected with the rotating block 28 to control the base 2 to move; cushion blocks are arranged on two sides of the bottom plate 1, a first spring 13 is fixedly connected to the top of the bottom plate 1, and the top of the first spring 13 is connected with the base 2 so as to control the horizontal position of the base 2; the base 2 is movably connected through a rotating shaft 14, a weight box 12 is installed inside the base 2, a plurality of accommodating grooves with different sizes are formed inside the weight box 12, and weights are arranged inside the accommodating grooves, so that the weights can be conveniently stored; one end of the moving plate 15 penetrates through the base 2 and is fixedly connected with a moving block 30, the telescopic rod 22 is formed by sleeving two pipe bodies with different pipe diameters, and the surface of the telescopic rod 22 is sleeved with a second spring 21, so that the mounting and dismounting are convenient; scales are arranged on the surface of the vernier scale 11, the vernier scale 11 is connected with the adjusting block 5 in a sliding mode, and the connecting block 4 is movably connected with the tray 3 and can be adjusted during measurement; the top of the supporting rod 9 is fixedly connected with an index plate 7, scales are arranged on the surface of the index plate 7, and a pointer 8 is arranged on one side of the index plate 7, so that auxiliary measurement is facilitated.

When the device is used, electrical components in the device are externally connected with a power supply and a control switch when the device is used, when an experiment is carried out, the base 2 can be placed on an experiment table, then the positioning block 16 at the bottom of the supporting rod 9 is inserted into the positioning groove 19, the moving block 30 can drive the moving plate 15 to move, the moving plate 15 can push the second spring 21 to contract and can compress the telescopic rod 22, when the positioning block 16 is placed into the positioning groove 19, the moving block 30 is loosened, the second spring 21 is pushed to move through the elasticity of the telescopic rod 22, the inserting block 18 can be conveniently inserted into the inserting groove 17, and the positioning of the supporting rod 9 is completed;

before an experiment is carried out, the knob 26 is screwed to drive the second gear 25 to rotate, so that the first gear 24 can be conveniently driven to rotate, the threaded rod 29 can be driven to rotate together, the rotating block 28 and the base 2 are matched, the level of the base 2 can be adjusted when the threaded sleeve 27 moves up and down, and the experiment table is prevented from shaking to influence the accuracy of experiment data;

when measuring, can measure through tray 3, connecting axle 10 and crossbeam 6, regulating block 5 can adjust in 11 surperficial slides of vernier scale, and the inside groove of accomodating of weight box 12 can deposit the weight of equidimension not moreover.

The application has the advantages that:

1. the horizontal adjusting device is simple to operate, the level of the base can be adjusted through the fixed pipe, the first gear, the second gear, the knob, the threaded sleeve, the rotating block, the threaded rod, the first spring and the rotating shaft, and the influence on experimental data caused by the fact that the base is in an inclined state during experiment is avoided;

2. the structure is reasonable, the supporting rod can be conveniently mounted and dismounted through the positioning block, the slot, the inserting block, the positioning groove, the moving plate, the moving groove, the second spring, the telescopic rod and the moving block, and the inconvenience in taking and transferring and even the collision damage caused by the shaking of the tray are avoided;

3. this application uses the measurement through tray, connecting block, regulating block, crossbeam, graduated disk, pointer, branch, connecting axle and running number scale, can guarantee the accuracy of experiment, and the weight box can conveniently deposit the weight of different types moreover.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a balance scale for physics student experiments which characterized in that: comprises a base (2), a horizontal mechanism, a mounting mechanism and a measuring mechanism;

horizontal mechanism is including fixed pipe (23) and axis of rotation (14), axis of rotation (14) is connected to base (2) bottom, axis of rotation (14) bottom rigid coupling bottom plate (1), the fixed pipe (23) of the equal rigid coupling in bottom plate (1) top both sides, fixed pipe (23) inner chamber bottom is equipped with first gear (24), first gear (24) top rigid coupling threaded rod (29), threaded rod (29) top surface cover has thread bush (27), thread bush (27) top is run through fixed pipe (23) and is connected turning block (28), base (2) is connected at turning block (28) top.

2. The balance scale for physical student experiments according to claim 1, wherein: installation mechanism includes locating piece (16) and shifting chute (20), constant head tank (19) are seted up at base (2) top, constant head tank (19) inner chamber inside is equipped with locating piece (16), slot (17) are all seted up to locating piece (16) both sides, constant head tank (19) both sides all are equipped with shifting chute (20), shifting chute (20) inside is equipped with movable plate (15), movable plate (15) one side rigid coupling inserted block (18), inserted block (18) extend to inside slot (17), movable plate (15) one side rigid coupling telescopic link (22), shifting chute (20) inner wall is connected to telescopic link (22) one side.

3. The balance scale for physical student experiments according to claim 1, wherein: measuring mechanism includes branch (9) and crossbeam (6), locating piece (16) is connected to branch (9) bottom, crossbeam (6) is connected through connecting axle (10) in locating piece (16) one side, crossbeam (6) bottom rigid coupling running scale (11), running scale (11) surface mounting regulating block (5), connecting block (4) are all connected to crossbeam (6) both sides, tray (3) is connected to connecting block (4) bottom.

4. The balance scale for physical student experiments according to claim 1, wherein: a knob (26) is arranged on one side of the fixed tube (23), one end of the knob (26) penetrates through the fixed tube (23) to be connected with a second gear (25), and the second gear (25) is meshed with the first gear (24).

5. The balance scale for physical student experiments according to claim 1, wherein: first gear (24) and fixed pipe (23) inner chamber bottom are rotated and are connected, threaded rod (29) top passes through threaded connection with thread bush (27), thread bush (27) are rotated with turning block (28) and are connected.

6. The balance scale for physical student experiments according to claim 1, wherein: the base plate is characterized in that cushion blocks are arranged on two sides of the bottom of the base plate (1), a first spring (13) is fixedly connected to the top of the base plate (1), and the top of the first spring (13) is connected with the base (2).

7. The balance scale for physical student experiments according to claim 1, wherein: base (2) are by axis of rotation (14) swing joint, base (2) internally mounted weight box (12), a plurality of not unidimensional grooves of accomodating are seted up to weight box (12) inside, and the inslot portion of accomodating is equipped with the weight.

8. The balance scale for physical student experiments according to claim 2, wherein: one end of the moving plate (15) penetrates through the base (2) and is fixedly connected with a moving block (30), the telescopic rod (22) is formed by mutually sleeving two pipe bodies with different pipe diameters, and a second spring (21) is sleeved on the surface of the telescopic rod (22).

9. The balance scale for physical student experiments according to claim 3, wherein: the vernier scale (11) surface is equipped with the scale, and vernier scale (11) and regulating block (5) sliding connection, connecting block (4) and tray (3) swing joint.

10. The balance scale for physical student experiments according to claim 3, wherein: the top of the supporting rod (9) is fixedly connected with an index plate (7), scales are arranged on the surface of the index plate (7), and a pointer (8) is arranged on one side of the index plate (7).